The invention relates to a porous silver-carbon composite material which contains a carbon powder. The carbon powder contains porous carbon particles, and the carbon particles have pores with an open and continuous pore structure. The porous silver-carbon composite material further contains silver particles, which are at least partly bonded to the surface of the porous carbon particles. The silver-carbon composite material can be used in an electrode of a solid-state battery.
A process for the preparation of a porous carbon material using an improved amphiphilic species. Also disclosed are a porous carbon material, devices comprising the porous carbon material and use of an amphiphilic compound for the preparation of a porous carbon material. The process for preparing a porous carbon material comprises the process steps: (a) providing a carbon source comprising a first carbon source compound; (b) providing an amphiphilic species comprising a first amphiphilic compound, the first amphiphilic compound comprising two or more adjacent ethylene oxide-based repeating units; (c) contacting the carbon source and the amphiphilic species to obtain a precursor; and (d) heating the precursor to obtain the porous carbon material.
A process for preparing a porous carbon material. The process comprises the process steps: providing a carbon source; providing an amphiphilic species; contacting the carbon source and the amphiphilic species to obtain a precursor; and heating the precursor to obtain the porous carbon material; wherein the carbon source comprises a carbon source compound, wherein the carbon source compound comprises an aromatic ring having one or more attached OH groups and an ester link.
C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
Known processes for preparing a porous carbonaceous material require lengthy polymerization and washing steps involving solvents or neutralizing agents. The use of high quantities of pore formers leads to a lower carbon yield and higher costs, and use of sulphuric acid leads to sulphur contamination of the final material, but also to corrosion and corrosive by-products and a more complicated handling of the process. In order allows the manufacturing of a porous carbonaceous material with a high pore volume and avoiding the disadvantages of the known methods, a process is provide that comprise the steps of a) providing at least one carbon source and at least one amphiphilic species, b) combining at least the carbon source and the amphiphilic species to obtain a precursor material, c) heating the precursor material to a temperature in the range between 300° C. and 600° C. for at least 15 min so as to obtain a porous carbonaceous material, which is then cooled so as to form the porous carbonaceous material having a modal pore size and a pore volume and a skeleton density.
Known processes for preparing a porous carbon material with a hierarchical porosity comprise the steps of a) providing at least one carbon source and at least one amphiphilic species, b) combining the carbon source and the amphiphilic species to obtain a precursor material, and c) heating the precursor material to obtain the porous carbon material having a modal pore size and a pore volume. In order to avoid a lengthy hydrothermal treatment and to allow tunability of the pore size, pore size distribution and pore volume in carbon material, it is proposed that the heating step c) comprises a low temperature treatment in which the precursor material is heated to a first temperature in the range between 300° C. and 600° C. to obtain a self-assembled porous carbonaceous material, and wherein heating to the first temperature comprises a first average heating rate in the range of 0.5° C./min to 5° C./min.
A process for preparing a porous carbon material. The process comprises the process steps: providing a carbon source; providing an amphiphilic species; contacting the carbon source and the amphiphilic species to obtain a precursor; and heating the precursor to obtain the porous carbon material; wherein the carbon source comprises a carbon source compound, wherein the carbon source compound comprises an aromatic ring having one or more attached OH groups and an ester link.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
C01B 32/05 - Préparation ou purification du carbone non couvertes par les groupes , , ,
The present invention relates to a formulation comprising a graphitizable carbon source and a non-graphitizable carbon source. The invention further relates to a process for the preparation of a porous carbon material, a porous carbon material, a device comprising a porous carbon material and a use of a porous carbon material. The present invention relates to a formulation comprising: a) A graphitizable carbon source; b) A non-graphitizable carbon source; and c) An amphiphilic species.
A process for the preparation of a porous carbon material using an improved amphiphilic species. Also disclosed are a porous carbon material, devices comprising the porous carbon material and use of an amphiphilic compound for the preparation of a porous carbon material. The process for preparing a porous carbon material comprises the process steps: (a) providing a carbon source comprising a first carbon source compound; (b) providing an amphiphilic species comprising a first amphiphilic compound, the first amphiphilic compound comprising two or more adjacent ethylene oxide-based repeating units; (c) contacting the carbon source and the amphiphilic species to obtain a precursor; and (d) heating the precursor to obtain the porous carbon material.
Known processes for preparing a porous carbon material with a hierarchical porosity comprise the steps of a) providing at least one carbon source and at least one amphiphilic species, b) combining the carbon source and the amphiphilic species to obtain a precursor material, and c)heating the precursor material to obtain the porous carbon material having a modal pore size and a pore volume. In order to avoid a lengthy hydrothermal treatment and to allow tunability of the pore size, pore size distribution and pore volume in carbon material, it is proposed that the heating step c) comprises a low temperature treatment in which the precursor material is heated to a first temperature in the range between 300°C and 600°C to obtain a self-assembled porous carbonaceous material, and wherein heating to the first temperature comprises a first average heating rate in the range of 0.5°C/min to 5°C/min.
C04B 35/524 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite obtenus à partir de précurseurs polymères, p. ex. carbone vitreux
C04B 38/00 - Mortiers, béton, pierre artificielle ou articles de céramiques poreuxLeur préparation
C04B 111/00 - Fonction, propriétés ou utilisation des mortiers, du béton ou de la pierre artificielle
C04B 35/52 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite
10.
PROCESS FOR THE PREPARATION OF A POROUS CARBONACEOUS MATERIAL, POROUS CARBONACEOUS MATERIAL, AND A CATALYST MADE OF THE MATERIAL
Known processes for preparing a porous carbonaceous material require lengthy polymerization and washing steps involving solvents or neutralizing agents. The use of high quantities of pore formers leads to a lower carbon yield and higher costs, and use of sulphuric acid leads to sulphur contamination of the final material, but also to corrosion and corrosive by-products and a more complicated handling of the process.In order allows the manufacturing of a porous carbonaceous material with a high pore volume and avoiding the disadvantages of the known methods, a process is provide that comprise the steps of a) providing at least one carbon source and at least one amphiphilic species, b) combining at least the carbon source and the amphiphilic species to obtain a precursor material, c) heating the precursor material to a temperature in the range between 300°C and 600°C for at least 15 min so as to obtain a porous carbonaceous material, which is then cooled so as to form the porous carbonaceous material having a modal pore size and a pore volume and a skeleton density.
C04B 35/524 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite obtenus à partir de précurseurs polymères, p. ex. carbone vitreux
C04B 38/00 - Mortiers, béton, pierre artificielle ou articles de céramiques poreuxLeur préparation
B01J 20/20 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone libreCompositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant du carbone obtenu par des procédés de carbonisation
B01J 20/28 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation caractérisées par leur forme ou leurs propriétés physiques
Additive material for an electrode of an electrochemical cell, double-layer capacitor and production method for such an electrode. Known additive materials for an electrode of an electrochemical cell contain electrically conductive particles composed of carbon, such as e.g. conductive carbon blacks or graphites. To provide an additive material having comparatively high ionic conductivity starting therefrom, it is proposed that the carbon additive particles have an average particle diameter in the range of 1 to 20 μm and contain mesopores and macropores which form a three-dimensionally interconnected pore structure.
H01G 11/38 - Pâtes ou mélanges de carboneLiants ou additifs
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
H01G 11/42 - Poudres ou particules, p. ex. composition de ces poudres ou particules
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01G 9/042 - Électrodes caractérisées par le matériau
The present invention relates to a process for the preparation of a porous carbon material using an improved amphiphilic species. The invention further relates to a porous carbon material, devices comprising the porous carbon material and use of an amphiphilic compound for the preparation of a porous carbon material. The present invention relates to a process for preparing a porous carbon material comprising the process steps: a. providing a carbon source comprising a first carbon source compound; b. providing an amphiphilic species comprising a first amphiphilic compound, the first amphiphilic compound comprising two or more adjacent ethylene oxide based repeating units; c. contacting the carbon source and the amphiphilic species to obtain a precursor; and d. heating the precursor to obtain the porous carbon material.
C04B 35/524 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite obtenus à partir de précurseurs polymères, p. ex. carbone vitreux
C04B 38/00 - Mortiers, béton, pierre artificielle ou articles de céramiques poreuxLeur préparation
The invention relates to a process for preparing a porous carbon material comprising the process steps: a. providing a carbon source; b. providing an amphiphilic species; c. contacting the carbon source and the amphiphilic species to obtain a precursor; and d. heating the precursor to obtain the porous carbon material; wherein the carbon source comprises a carbon source compound, wherein the carbon source compound comprises the following: i. an aromatic ring having 1 or more attached OH groups; ii. an ester link.
C04B 35/524 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite obtenus à partir de précurseurs polymères, p. ex. carbone vitreux
C04B 38/00 - Mortiers, béton, pierre artificielle ou articles de céramiques poreuxLeur préparation
Known additive materials for an electrode of an electrochemical cell contain electrically conductive particles consisting of carbon, such as carbon black or graphite, for example. In order to provide an additive material having a comparably high ion conductivity, according to the invention, the carbon additive particles have an average particle diameter in the range from 1 to 20 μm and contain mesopores and macropores, which form a three dimensional, continuous pore structure.
H01G 9/042 - Électrodes caractérisées par le matériau
H01G 11/24 - Électrodes caractérisées par les propriétés structurelles des matériaux composant les électrodes ou inclus dans les électrodes, p. ex. forme, surface ou porositéÉlectrodes caractérisées par les propriétés structurelles des poudres ou particules utilisées à cet effet
H01G 11/38 - Pâtes ou mélanges de carboneLiants ou additifs
H01G 11/42 - Poudres ou particules, p. ex. composition de ces poudres ou particules
H01M 4/133 - Électrodes à base de matériau carboné, p. ex. composés d'intercalation du graphite ou CFx
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p. ex. liants, charges
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p. ex. batteries à insertion ou intercalation de lithium dans les deux électrodesBatteries à l'ion lithium
H01M 4/587 - Matériau carboné, p. ex. composés au graphite d'intercalation ou CFx pour insérer ou intercaler des métaux légers
15.
USE OF PEDOT/PSS IN A CATHODE OF A LITHIUM-SULFUR ELECTROCHEMICAL CELL
The present invention relates to a liquid composition comprising a) at least one cationic polythiophene; b) at least one polymeric counterion; c) sulfur; d) at least one solvent having a boiling point of 80°C or more; e) at least one conductivity improving agent; wherein the liquid composition comprises less than 10wt.-% of components having a boiling point of less than 80°C, based on the total weight of the liquid composition, and wherein the boiling point in each case is determined at a pressure of 1013 mbar. The present invention also relates to a powdered composition comprising components a), b) and c), wherein the cationic polythiophene and the at least one polymeric counterion are present in the form of a cationic polythiophene : polymeric counterion-complex, to a process for preparing a liquid or powdered composition, a liquid or powdered composition obtainable by this process, to a lithium sulfur electrochemical cell and to the use of the liquid or the powdered composition.
brevets
